Finding the Third Proportional to 102,300.19 and 238,966.31

Step by Step Solution

1. Step 1: Write the proportion equation
   102,300.19 : 238,966.31 = 238,966.31 : x
2. Step 2: Convert to fraction form
   102,300.19/238,966.31 = 238,966.31/x
3. Step 3: Cross multiply
   102,300.19x = 238,966.31 × 238,966.31
4. Step 4: Simplify right side
   102,300.19x = 57,104,898,509.85
5. Step 5: Solve for x
   x = 57,104,898,509.85/102,300.19
6. Step 6: Final answer
   x = 558,209.13